1.

Three Friends Gerard, Rooney And Ronaldson Work Together To Dig A Hole. Gerard Alone Can Complete The Work In 10 Days, Rooney In 8 Days And Together All Three Can Complete It In 4 Days. They Earn A Total Of Rs. 1,200. Find The Share Of Rooney If The Money That They Receive Is Proportional To The Work That They Do?

Answer»

Ronaldson can complete work in 40 days ( 1/4-1/10-1/8)

So, ratio of work done = 1/10 :1/8 : 1/40 = 4 : 5 : 1

So, amount PAYED ROONEY = 1200 * (5 / (5+4+1) ) = 1200 * 1/2 = 600

So, Rooney share = 1200/2 = 600.

Ronaldson can complete work in 40 days ( 1/4-1/10-1/8)

So, ratio of work done = 1/10 :1/8 : 1/40 = 4 : 5 : 1

So, amount payed rooney = 1200 * (5 / (5+4+1) ) = 1200 * 1/2 = 600

So, Rooney share = 1200/2 = 600.


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